ST16C654D Exar Corporation, ST16C654D Datasheet - Page 36

• Manufacturer Part Number: ST16C654D
• Description: St16c654d -quad Uart With 64-byte Fifo And Infrared Irda Encoder/decoder
• Manufacturer: Exar Corporation

ST16C654/654D
2.97V TO 5.5V QUAD UART WITH 64-BYTE FIFO
T
I/O SIGNALS
REGISTERS
ABLE
RXRDY#
TXRDY#
XOFF1
XOFF2
FSTAT
XON1
XON2
RTS#
DTR#
MCR
IRTX
IRQ#
RHR
MSR
DLM
THR
FCR
LCR
SPR
EFR
LSR
DLL
IER
ISR
INT
TX
16: UART RESET CONDITIONS FOR CHANNELS A-D
Bits 7-0 = 0xXX
Bits 7-0 = 0xXX
Bits 7-0 = 0xXX
Bits 7-0 = 0xXX
Bits 7-0 = 0x00
Bits 7-0 = 0x00
Bits 7-0 = 0x01
Bits 7-0 = 0x00
Bits 7-0 = 0x00
Bits 7-0 = 0x60
Bits 3-0 = Logic 0
Bits 7-4 = Logic levels of the inputs inverted
Bits 7-0 = 0xFF
Bits 7-0 = 0x00
Bits 7-0 = 0x00
Bits 7-0 = 0x00
Bits 7-0 = 0x00
Bits 7-0 = 0x00
Bits 7-0 = 0xFF
RESET STATE
Logic 1
Logic 0
Logic 1
Logic 1
Logic 1
Logic 0
ST16C654 = Three-State Condition
ST16C654D = Logic 0
Three-State Condition (68 mode, INTSEL = 0)
36
RESET STATE
xr
REV. 5.0.2